changelog for v912-UBI (#344)

* changelog for v912-UBI

Author: LPowlett

CHANGELOG.md

@@ -1,16 +1,16 @@
 # Change log
 
-## vNext
+## 9.1.2.0-UBI (2019-06-21)
 
 **Breaking changes**:
-* UID of the mqm user is now 888.  You need to run the container with an entrypoint of "runmqserver -i" under the root user to update any existing files.
+* UID of the mqm user is now 888.  You need to run the container with an entrypoint of `runmqserver -i` under the root user to update any existing files.
 * MQSC files supplied will be verified before being run. Files containing invalid MQSC will cause the container to fail to start
 
-Other changes:
+**Other changes**:
 * Security fixes
 * Web console added to production image
 * Container built on RedHat host
-
+  
 ## 9.1.2.0 (2019-03-21)
 
 * Now runs using the "mqm" user instead of root.  See new [security doc](https://github.com/ibm-messaging/mq-container/blob/master/docs/security.md)